From 43b28267b69e02de8df486a2555c015ddf1a13d2 Mon Sep 17 00:00:00 2001
From: alexhudson <alexhudson@52461e19-6027-0410-9301-c4706890ca92>
Date: Thu, 8 Feb 2007 17:36:57 +0000
Subject: [PATCH] Fix up CLucene library detection.

---
 configure.ac                 | 19 ++++------
 m4/acx_clucene.m4            | 70 ++++++++++++++++++++++++++++++++++++
 src/agents/store/Bongo.rules |  4 +--
 3 files changed, 79 insertions(+), 14 deletions(-)
 create mode 100644 m4/acx_clucene.m4

diff --git a/configure.ac b/configure.ac
index 30968ac..ad8b3ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -590,19 +590,14 @@ AC_DEFINE_UNQUOTED(XPL_POINTER_TO_UINT_CAST, $pui_cast, [How to cast an unsigned
 
 # import libraries
 
-AC_LANG([C++])
-AC_CHECK_HEADER(CLucene.h,
-	[
-	AC_MSG_RESULT(Using system CLucene)
-	AC_SUBST(LIBCLUCENE_LIBS, " -lclucene ")
-	],
-	[
-	AC_MSG_RESULT(Using import CLucene)
+ACX_CLUCENE()
+if test "x$CLUCENE_LIBS" = "x"; then
+	AC_MSG_RESULT(Using imported CLucene)
 	AC_CONFIG_SUBDIRS([import/clucene])
-	AC_SUBST(LIBCLUCENE_LIBS, "\$(top_builddir)/import/clucene/src/libclucene.la")
-	]
-)
-AC_LANG([C])
+	AC_SUBST(CLUCENE_LIBS, "\$(top_builddir)/import/clucene/src/libclucene.la")
+else
+	AC_MSG_RESULT(Using system CLucene)
+fi
 
 AC_CHECK_HEADER(curl/curl.h,
 	[
diff --git a/m4/acx_clucene.m4 b/m4/acx_clucene.m4
new file mode 100644
index 0000000..a313279
--- /dev/null
+++ b/m4/acx_clucene.m4
@@ -0,0 +1,70 @@
+dnl CLucene detection m4
+dnl Based on version in clucene-contribs
+AC_DEFUN([ACX_CLUCENE], [
+AC_LANG_SAVE
+AC_LANG(C++)
+
+
+# Ask user for path to clucene-core stuff:.
+AC_ARG_WITH(clucene,
+	AC_HELP_STRING([ --with-clucene=<path>],
+		[prefix of CLucene-Core installation. e.g. /usr/local or /usr]),,)
+
+#try some default locations
+if test -z "$with_clucene"; then
+	#use parent of this directory, and some common library paths
+	with_clucene=$(cd "../" && pwd)
+	with_clucene="$with_clucene /usr /usr/local"
+else
+	#use an absolute path
+	with_clucene=$(cd "$with_clucene" && pwd)
+fi
+clucene_set_failed=
+
+AC_MSG_CHECKING([how to include clucene])
+CLUCENE_CXXFLAGS=
+CLUCENE_LIBS=
+for flag in $with_clucene; do
+	if test -z "$clucene_set_failed"; then
+		if test -e "$flag/include/CLucene/StdHeader.h"; then
+			config_path=""
+			if test -e "$flag/include/CLucene/clucene-config.h"; then
+				config_path="$flag/include/"
+			fi
+			if test -e "$flag/lib/CLucene/clucene-config.h"; then
+				config_path="$flag/lib/"
+			fi
+			if test "x$config_path" != "x"; then
+				if test -e "$flag/lib/libclucene.so"; then
+					CLUCENE_LIBS="-L$flag/lib -lclucene"
+					CLUCENE_CXXFLAGS="-I$flag/include -I$config_path"
+					clucene_set_failed=$flag
+				fi
+			fi
+		fi
+	fi
+
+	if test -z "$clucene_set_failed"; then
+		if test -e "$flag/src/CLucene/StdHeader.h"; then
+			if test -e "$flag/src/libclucene.la"; then
+				CLUCENE_LIBS="-L$flag/src/ -lclucene"
+				CLUCENE_CXXFLAGS="-I$flag/src/"
+				clucene_set_failed=$flag/src/
+			fi
+		fi
+	fi
+done
+
+if test -z "$clucene_set_failed"; then
+	clucene_set_failed="true"
+	AC_MSG_RESULT("failed")
+else
+	AC_MSG_RESULT($clucene_set_failed)
+fi
+
+AC_SUBST(CLUCENE_LIBS)
+AC_SUBST(CLUCENE_CXXFLAGS)
+
+AC_LANG_RESTORE
+
+])dnl ACX_CLUCENE
diff --git a/src/agents/store/Bongo.rules b/src/agents/store/Bongo.rules
index 066e01e..4913bc5 100644
--- a/src/agents/store/Bongo.rules
+++ b/src/agents/store/Bongo.rules
@@ -4,7 +4,7 @@ sbin_PROGRAMS += bongostore
 bongostore_CPPFLAGS := $(AM_CPPFLAGS)		\
 	-I$(top_srcdir)/src/agents/store	\
 	-I$(top_srcdir)/import/sqlite3		\
-	-I$(top_srcdir)/import/clucene/src
+	$(CLUCENE_CXXFLAGS)
 
 bongostore_SOURCES :=					 \
 	src/agents/store/alarmdb.c			 \
@@ -64,7 +64,7 @@ bongostore_LDADD =					   \
 	libbongoxpl.la					   \
 	$(top_builddir)/import/log4c/log4c/libbongolog4c.la \
 	$(LIBSQLITE_LIBS)				   \
-	$(LIBCLUCENE_LIBS) 				   \
+	$(CLUCENE_LIBS) 				   \
 	$(PTHREAD_LIBS)					   \
 	$(ALL_LIBS)